Process for preparing thiourea dioxide

Details Process for preparing thiourea dioxide Process for preparing thiourea dioxide

1979-07-09

1980-11-11

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14500

Patent

active

042332389

ABSTRACT:
According to this invention there is provided a process for preparing thiourea dioxide characterized in that in the production of thiourea dioxide by the reaction of thiourea and hydrogen peroxide in an aqueous solvent, the filtrate after separation of the crystals of thiourea dioxide after reaction is treated with an ion-exchange resin to remove side reaction products and impurities contained therein and then is used again as a reaction solvent.

REFERENCES:
patent: 2150921 (1939-03-01), Havas
patent: 2347446 (1944-04-01), Walker
patent: 2783272 (1957-02-01), Young

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